A Health Savings Account (HSA) is a tax-advantaged savings account designed to help individuals save for medical expenses. To qualify for an HSA, you must be enrolled in a high-deductible health plan (HDHP). Contributions to the account are tax-deductible, and the funds can be used tax-free for eligible medical costs, such as doctor visits and prescriptions. HSAs offer several benefits, including the ability to roll over unused funds from year to year, making them a long-term savings option. Additionally, once you reach age 65, you can withdraw money for any purpose without penalty, although regular income tax may apply.